Plant sciences group & Wageningen University & Research Centre. (2008). Plant life.
Chicago-čujuhus (17. p.)Plant sciences group juo Wageningen University & Research Centre. Plant Life. 2008.
MLA-čujuhus (9. p.)Plant sciences group juo Wageningen University & Research Centre. Plant Life. 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.